Venlafaxine (Effexor):Uses, dosage & Side Effects

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(Last Updated On: June 25, 2016)

Venlafaxine (Effexor) is an anti-depressant drug; these are the group of selective serotonin and norepinephrine reuptake inhibitors (SSNRI).

It is mainly used to treat the depression, anxiety, and panic disorder.

Information about venlafaxine:

It is not to be taken if the patients have glaucoma or if the patient may be treated methylene blue injection.

Some of the people experienced suicidal thoughts when they first taken this drug, you family and care givers should be alert to changes in the mood. If the patient these symptoms then seek immediate medical emergency, the behavioral or mood changes include, anxiety, irritability, aggressive restless, hyperactive.

Do not give this medicine to the younger people of 18yrs old without the advice of the doctor, Effexor is not used for the children.

Dosage pattern of venlafaxine:

Initial dose:

It is about 75mg to be taken per day, administered in 2-3 divide doses with food, the dose may be increased up to 150mg per day, if needed the dose dose should be further increased up to 225mg per day. More than the range of 225mg per day is not recommended

Women during pregnancy:

Neonates who are exposed to the Effexor can be hospitalized with developed complications, when treating the pregnant women , the doctor should consider the potential risks and benefits of the treatment.

it is recommended that the total daily dose be reduced by 50% in patients with mild to moderate hepatic problems; individualization in the dose should b maintained in some patients.

Patients with renal problems:

It is about daily dose should be reduced to 25% in patients with? mild and moderate renal impairment.? Individual dosing should be maintained in the case of these renal impaired patients.

venlafaxine Overdose:

Seek emergency medical attention in case of overdose.


  • Severe headache
  • Sweating
  • High blood pressure
  • Chest pain
  • Blurred vision

venlafaxine side effects:

Severity: major

  • High blood pressure
  • Suicidal thoughts
  • Irregular heartbeat
  • Mental changes
  • Ringing sound in the ears
  • High fever
  • Irritability
  • Itching
  • Menstrual changes
  • Severe muscle stiffness
  • Trouble breathing

Severity: minor

  • Heartburn
  • Nausea
  • Increased sweting
  • Dry mouth
  • Diarrhea
  • Constipation
  • Loss of appetite
  • Stomach pain
  • Runny nose
  • Abnormal dreams
  • Chills
  • Loss of libido
  • Dry mouth

Venlafaxine (Effexor): brand names, price list

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